WO2022085769A1 - Dispositif d'alimentation en composants - Google Patents

Dispositif d'alimentation en composants Download PDF

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Publication number
WO2022085769A1
WO2022085769A1 PCT/JP2021/039005 JP2021039005W WO2022085769A1 WO 2022085769 A1 WO2022085769 A1 WO 2022085769A1 JP 2021039005 W JP2021039005 W JP 2021039005W WO 2022085769 A1 WO2022085769 A1 WO 2022085769A1
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WIPO (PCT)
Prior art keywords
tape
transport path
carrier tape
carrier
unit
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Application number
PCT/JP2021/039005
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English (en)
Japanese (ja)
Inventor
悟史 河口
美伯 礒端
強麗 李
達雄 山村
邦巳 綴木
Original Assignee
パナソニックＩｐマネジメント株式会社
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Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to JP2022557609A priority Critical patent/JPWO2022085769A1/ja
Publication of WO2022085769A1 publication Critical patent/WO2022085769A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/02—Feeding of components

Definitions

  • This disclosure relates to a parts supply device that supplies parts to a parts mounting device.
  • a tape feeder capable of continuously supplying a succeeding carrier tape (successor tape) to a component take-out position after a preceding carrier tape (preceding tape) containing a component.
  • the tape feeder described in Patent Document 1 is provided with a tape holding unit on the upstream side of the tape traveling path for holding a succeeding tape whose tip is inserted into a tape insertion slot.
  • the tape holding unit has a tape holding portion that can be displaced in the vertical direction by the operation of an operator, and is configured so that the succeeding tape held by the tape holding portion can be dropped downward by shifting the tape holding portion in the vertical direction. Has been done.
  • the operator operates the tape holding unit to drop the leading tape from the tape holding unit and causes the leading tape. Correct the position of. As a result, the subsequent tape can be replenished. After that, a new succeeding tape is held by the tape holding unit, and the tip thereof is inserted into the tape slot to complete the carrier tape replenishment work.
  • the operation of ejecting the succeeding tape downward is manually performed by the operator, so that the operator may forget the tape ejection operation. In this case, it is necessary to stop the mounting work of the component mounting device while the components cannot be replenished, which may reduce the productivity. Further, since the switching from the preceding tape to the succeeding tape is manually performed by the operator, it is difficult to automate or save labor in supplying parts to the parts mounting device.
  • an object of the present disclosure is to provide a parts supply device capable of improving productivity and automating or saving labor in supplying parts to a parts mounting device in order to solve the above-mentioned conventional problems. To do.
  • the component supply device of the present disclosure has a first transport path into which the carrier tape is inserted and a second transport path located below the first transport path on the upstream side, respectively, and the first transport path and the second transport path.
  • the carrier tape of the tape transport path on the downstream side of the position where the first transport path and the second transport path merge with the tape transport path that guides the traveling of the carrier tape in the downstream direction by merging with the tape transport path.
  • the first tape transport section that sequentially transports the parts to the component take-out position, the tape holding section that holds the carrier tape in at least a part of the first transport path, and the carrier tape held by the tape holding section in the downstream direction of the tape transport path.
  • the second tape transport section to be transported, the tape holding release mechanism for dropping the carrier tape held in the tape holding section to the second transport path, and the carrier tape transported by the second tape transport section are transferred to the first tape transport section. It is provided with a control unit that drives the tape holding release mechanism at the timing after delivery.
  • a parts supply device capable of improving productivity and automating or saving labor in supplying parts to a parts mounting device.
  • Schematic diagram of a component mounting device according to an embodiment of the present disclosure.
  • Schematic diagram of a component supply device according to an embodiment of the present disclosure.
  • Partial enlarged view of parts supply device Partial cross-sectional view of parts supply device
  • Bottom view of the tape holder of the parts supply device Side view showing the structure of the 2nd tape transport part and the tape holding release mechanism of a component supply device.
  • Side view showing the structure of the 2nd tape transport part and the tape holding release mechanism of a component supply device Side view showing the structure of the 2nd tape transport part and the tape holding release mechanism of a component supply device.
  • Side view showing the structure of the 2nd tape transport part and the tape holding release mechanism of a component supply device Side view showing the structure of the 2nd tape transport part and the tape holding release mechanism of a component supply device.
  • a first transport path into which the carrier tape is inserted and a second transport path located below the first transport path are provided on the upstream side, respectively, and the first transport path and the second transport path are provided.
  • Tape transport the carrier tape of the tape transport path downstream from the position where the transport path merges to guide the traveling of the carrier tape in the downstream direction and the position where the first transport path and the second transport path merge.
  • a first tape transport section that sequentially transports parts to the component take-out position of the path, a tape holding section that holds carrier tape in at least a part of the first transport path, and a carrier tape held in the tape holding section downstream of the tape transport path.
  • the second tape transport section that transports in the direction, the tape holding release mechanism that drops the carrier tape held by the tape holding section to the second transport path, and the carrier tape that is transported by the second tape transport section are the first tape transport.
  • a component supply device including a control unit for driving a tape holding release mechanism at a timing after being delivered to the unit.
  • the first detection sensor for detecting that the carrier tape has been inserted into the tape transport path and the carrier tape arranged downstream of the first detection sensor on the tape transport path are provided. It is equipped with a second detection sensor that detects that it has arrived, and a third detection sensor that is located downstream of the second detection sensor and detects that the carrier tape has reached the component removal position.
  • the control unit activates the second tape transfer unit based on the detection result that the first detection sensor detects the carrier tape, and the second tape transfer unit at a predetermined timing after the second detection sensor detects the carrier tape.
  • the component supply device according to the first aspect is provided, which stops the unit and further starts the first tape transport unit.
  • control unit stops the first tape transport unit based on the detection result that the third detection sensor detects the carrier tape, and drives the tape holding release mechanism.
  • the tape holding portion can be displaced from the holding position for holding the carrier tape to the release position where the carrier tape holding is released, and the tape holding release mechanism releases the tape holding portion.
  • the component supply device according to the fourth aspect, wherein the release position is a position away from the second transport path upward.
  • the component supply device according to the fifth aspect, wherein the release position is a position laterally separated from the second transport path.
  • the component according to any one of the first to sixth aspects wherein the tape holding release mechanism is operated by utilizing the power of the drive source of the second tape transport unit.
  • the tape holding release mechanism is operated by utilizing the power of the drive source of the second tape transport unit.
  • the second tape transport unit includes a motor capable of forward rotation and reverse rotation as a drive source, and the control unit has a carrier when the motor is rotated in the forward direction.
  • the component supply device according to a seventh aspect, wherein the tape is transported in the downstream direction of the tape transport path, and the control unit drives the tape holding release mechanism by rotating the motor in the reverse direction.
  • FIG. 1 As biaxial directions orthogonal to each other in the horizontal plane, the X direction of the substrate transport direction (the direction perpendicular to the paper surface in FIG. 1) and the Y direction orthogonal to the substrate transport direction (the left-right direction in FIG. 1) are shown. Further, the Z direction (vertical direction in FIG. 1) is shown as a height direction orthogonal to the horizontal plane.
  • the configuration of the component mounting device 1 will be described with reference to FIG.
  • the component mounting device 1 manufactures a mounting board on which components are mounted on the board.
  • the substrate transfer mechanism 2 provided on the upper surface of the base 1a conveys the substrate 3 in the X direction, positions it, and holds it.
  • a mounting head 4 that moves in the horizontal direction (X direction, Y direction) by a head moving mechanism (not shown) is installed.
  • a plurality of tape feeders 6 are attached side by side in the X direction on the upper portion of the carriage 5 coupled to the base 1a on the side of the substrate transport mechanism 2.
  • a reel holding portion 9 that rotatably supports the reel 8 on which the carrier tape 7 for storing the parts supplied to the component mounting device 1 is wound is installed on the front side of the carriage 5 and below the tape feeder 6. Has been done.
  • the tape feeder 6 conveys the carrier tape 7 stored in the reel 8 in the tape feeding direction and supplies the parts to the parts taking-out position P1 by the mounting head 4.
  • An identifier 8a for identifying a component housed in the carrier tape 7 is attached to the reel 8.
  • the identifier 8a is, for example, a two-dimensional bar code or an RFID tag.
  • the component mounting device 1 includes a board transport mechanism 2, a mounting head 4, and a mounting control unit 10 that controls a head moving mechanism.
  • the mounting control unit 10 transmits a component supply command to the tape feeder 6, controls the mounting head 4 and the head movement mechanism, takes out the components supplied by the tape feeder 6 to the component take-out position by the mounting head 4, and transports the board.
  • the component mounting work to be transferred and mounted is executed at the mounting point of the substrate 3 held by the mechanism 2.
  • the tape feeder 6 is a component supply device that supplies the components stored in the carrier tape 7 to the component mounting device 1.
  • the component housed in the carrier tape 7 is, for example, a chip-type electronic component.
  • an openable and closable main body cover 11 is installed to cover the movable mechanism such as the mounting head 4 during work so that the operator does not touch the movable mechanism.
  • the component mounting device 1 further includes a reader device 15 that reads the information of the identifier 8a.
  • the reader device 15 is, for example, a two-dimensional bar code reader or an RFID reader.
  • the information of the identifier 8a read by the reader device 15 is sent to the mounting control unit 10.
  • the mounting control unit 10 includes a collating unit 10a and a storage unit 10b.
  • the mounting control unit 10 is composed of, for example, a processor, an arithmetic unit such as an FPGA, a memory, an SSD, or the like.
  • the storage unit 10b stores information on parts to be supplied to the tape feeder 6.
  • the collating unit 10a collates the information of the identifier 8a read by the reader device 15 with the information of the parts to be replenished stored in the storage unit 10b.
  • a signal indicating the matching is transmitted to the feeder control unit 28 as a collating result.
  • a signal indicating the disagreement as a collation result is transmitted to the feeder control unit 28.
  • a collection box 12 is installed at the lower part of the trolley 5 to collect an empty carrier tape 7 whose parts are taken out by the mounting head 4 and discharged from the rear of the tape feeder 6.
  • a discharge chute 13 for guiding the empty carrier tape 7 discharged from the tape feeder 6 to the collection box 12 is installed.
  • the discharge chute 13 is provided with a cutting portion 14 for cutting an empty carrier tape 7 to a predetermined length. The empty carrier tape 7 discharged from the tape feeder 6 is cut by the cutting portion 14 and collected in the collection box 12.
  • FIG. 2 is a schematic diagram of the tape feeder 6 of the embodiment.
  • FIG. 3 is a partially enlarged view of the tape feeder 6.
  • the tape feeder 6 includes a tape transfer path 20, a first tape transfer unit 21, a second tape transfer unit 23, a tape holding unit 26, and a tape holding release mechanism 34. Further, the tape feeder 6 includes an insertion port 20a for inserting the carrier tape 7 into the tape transfer path 20, and an discharge port 20b for discharging the carrier tape 7 from the tape transfer path 20.
  • the tape transport path 20 guides the carrier tape 7 drawn out from the reel 8 and inserted into the tape feeder 6 from the insertion port 20a to the component take-out position P1 inside the tape feeder 6 and further guided to the discharge port 20b.
  • the insertion port 20a opens on the upstream side (left side in FIG. 2) of the tape feeder 6 in the tape feeding direction.
  • the discharge port 20b is open on the downstream side (right side in FIG. 2) in the tape feeding direction.
  • the tape transport path 20 communicates from the insertion port 20a to the discharge port 20b.
  • the mounting head 4 takes out the component.
  • a plurality of carrier tapes 7 are sequentially inserted from the insertion port 20a with the carrier tape 7 stored in one reel 8 as a unit lot and supplied to the tape feeder 6.
  • the carrier tape 7 to be fed in advance is next to the first tape 7p and the first tape 7p, if necessary.
  • the carrier tape 7 sent to the second tape 7s will be referred to as a second tape 7s (see FIG. 3).
  • the tape transport path 20 includes a first transport path 20c into which the carrier tape 7 is inserted on the upstream side, a second transport path 20d located below the first transport path 20c, a second transport path 20d, and a first transport path. It has a third transport path 20e extending from the confluence position P2 with the 20c to the discharge port 20b.
  • the first tape transport unit 21 transports the carrier tape 7 to the component take-out position P1 on the downstream side of the tape transport path 20.
  • the first tape transport unit 21 includes a first sprocket 21a that engages with the carrier tape 7 and a first motor 21b that rotationally drives the first sprocket 21a.
  • a tape cover 22 provided with a peeling blade that presses the carrier tape 7 from above and exposes the parts housed in the carrier tape 7 is attached. An opening is formed at a position corresponding to the component take-out position P1 of the tape cover 22.
  • the parts are exposed by the peeling blade, and the exposed parts are conveyed to the opening formed downstream thereof, that is, the part take-out position P1.
  • a pair of rollers (not shown) are arranged downstream of the parts take-out position P1 of the tape transport path 20, and the parts in the carrier tape 7 are sealed by these rollers.
  • a method of peeling off the top tape to be stopped may also be used. In the case of the full peeling method, it is not necessary to provide the peeling blade on the tape cover 22.
  • the second tape transport unit 23 sends the carrier tape 7 inserted into the first transport path 20c from the insertion port 20a to the first tape transport unit 21.
  • the second tape transport unit 23 is arranged on the upstream side of the tape transport path 20.
  • the second tape transport unit 23 includes, for example, a second motor 23a, a first gear 23b, a second gear 23c, a third gear 23d, a fourth gear 23e, a fifth gear 23f, and a second sprocket 23g.
  • the output gear 23aa of the second motor 23a engages with the first gear 23b.
  • the second gear 23c is rotatably arranged coaxially with the first gear 23b and engages with the third gear 23d.
  • the third gear 23d engages the fourth gear 23e, and the fourth gear 23e engages the fifth gear 23f.
  • the fifth gear 23f is rotatably fixed to the second sprocket 23g that engages with the carrier tape 7. Therefore, the rotational driving force of the second motor 23a is transmitted from the first gear 23b to the second sprocket 23g via the fifth gear 23f.
  • the tape transport path 20 has a first transport path 20c and a second transport path 20d on the upstream side.
  • the first transport path 20c and the second transport path 20d meet at position P2.
  • the carrier tape 7 supplied to the tape feeder 6 is first conveyed to the downstream side of the tape transfer path 20 by the second tape transfer section 23 along the first transfer path 20c.
  • the carrier tape 7 is moved from the first conveying path 20c to the second conveying path 20d as the preceding first tape 7p.
  • the first tape 7p is transported from the second transport path 20d to the downstream of the tape transport path 20 through the third transport path 20e, so that the next second tape 7s is inserted into the first transport path 20c. Can be done.
  • the tape feeder 6 includes a tape stopper portion 24, a shutter unit 27, and a lock portion 45, which are respectively arranged at the lower part of the second tape transport portion 23. Further, the tape feeder 6 includes a first sensor Sa1, a second sensor Sa2, and a third sensor Sa3.
  • the carrier tape 7 inserted in the tape feeder 6 is predetermined in the third transport path 20e on the downstream side of the position P2 where the second transport path 20d and the first transport path 20c meet. Detects that the position has been reached.
  • the second sensor Sa2 detects that the carrier tape 7 traveling on the tape transport path 20 has reached the front of the component take-out position P1. Therefore, the second sensor Sa2 is arranged on the downstream side of the tape transport path 20 with respect to the first sensor Sa1 and on the upstream side of the tape transport path 20 with respect to the third sensor Sa3.
  • the third sensor Sa3 detects that the carrier tape 7 traveling on the tape transport path 20 has reached the component take-out position P1.
  • the third sensor Sa3 is arranged, for example, on the downstream side of the second sensor Sa2 and the first sprocket 21a of the first tape transport unit.
  • the first sensor Sa1 to the third sensor Sa3 are optical sensors for detecting the presence / absence of the carrier tape 7, and are, for example, a color sensor or a photo sensor.
  • the tape holding portion 26 supports the carrier tape 7 in at least a part of the first transport path 20c and holds a posture in which the carrier tape 7 is transported. See FIG.
  • the tape holding portion 26 includes a first support portion 30, a second support portion 31, a plate-shaped member 32, and a movable member 33.
  • a first support portion 30, a second support portion 31, a plate-shaped member 32, and a movable member 33 Hereinafter, for convenience, as shown in FIG. 4, one is to the left and the other is to the right when facing the downstream direction in which the carrier tape 7 is conveyed in the tape feeder 6.
  • the first support portion 30 supports one side portion of the carrier tape 7 in the width direction from below.
  • the first support portion 30 is formed on the right side surface of the plate-shaped member 32.
  • the second support portion 31 supports the other side portion of the carrier tape 7 from below.
  • the plate-shaped member 32 extends in the tape feeding direction and the vertical direction (Z direction).
  • the inner side surface (right side surface) of the plate-shaped member 32 is a guide surface that guides the left side surface of the carrier tape 7.
  • the plate-shaped member 32 is fixed to the side wall of the tape feeder 6.
  • the movable member 33 has a plate-like shape and is connected so as to be swingable in the vertical direction around the rotation shaft 26a.
  • the inner surface of the movable member 33 is a guide surface for guiding the right side surface of the carrier tape 7.
  • a handle 38 provided with a lever for the operator to operate with a finger is formed on the upper part of the movable member 33.
  • the upstream side of the movable member 33 can be lifted upward (see FIG. 9).
  • the movable member 33 can be displaced in the vertical direction with respect to the fixed plate-shaped member 32 (see FIG. 11).
  • a rotation shaft 39 having a rotation center parallel to the width direction of the carrier tape 7 is attached to the movable member 33.
  • a second sprocket 23 g is rotatably attached to the rotary shaft 39 via a one-way clutch 40.
  • a plurality of pins 41a are provided at positions on the left side of the outer peripheral surface of the second sprocket 23 g (that is, on the side closer to the plate-shaped member 32).
  • the pin 41a of the second sprocket 23g is engaged with a feed hole 7h formed in the carrier tape 7 whose lower surface is supported by the first support portion 30 and the second support portion 31 in a state where the movable member 33 is in the initial position. It fits.
  • the first support portion 30 supports the side portion of the carrier tape 7 on the side where the feed hole 7h is formed from below.
  • the second sprocket 23g mounted on the horizontal rotating shaft 39 via the one-way clutch 40 is a locking portion that engages with the feed hole 7h of the carrier tape 7 and locks the carrier tape 7 to the first support portion 30. To configure.
  • the one-way clutch 40 allows the second sprocket 23g to rotate when the carrier tape 7 engaged with the second sprocket 23g moves on the tape holding portion 26 in the direction of the insertion slot 20a, but in the opposite direction. Rotation is not allowed. This can prevent the carrier tape 7 from falling off from the tape feeder 6.
  • the movable member 33 is attached with the second sprocket 23g mounted on the rotating shaft 39 having the horizontal direction as the rotating shaft via the one-way clutch 40.
  • a protrusion 42 protruding inward from the plate-shaped member 32 is formed at a position separated above the first support portion 30 on the inner surface of the plate-shaped member 32.
  • a taper 42a having a slope that approaches the inner side surface of the plate-shaped member 32 downward (a slope that moves upward and separates from the right side surface of the plate-shaped member 32) is formed. That is, the width of the lower end of the protrusion 42 in the horizontal direction becomes narrower toward the bottom.
  • the position of the downstream end portion of the second support portion 31 is on the upstream side of the position of the downstream end portion of the first support portion 30. Further, on the downstream side of the second support portion 31, a notch portion 31a having a slope whose side surface approaches the inner side surface of the movable member 33 toward the downstream side is formed. That is, the width of one end of the second support portion 31 on the insertion port 20a side (downstream side) becomes narrower in the horizontal direction toward the insertion port 20a side.
  • 6 to 10 are side views showing the configuration of the second tape transport portion 23 and the tape holding release mechanism 34 of the tape feeder 6.
  • the tape holding release mechanism 34 drops the carrier tape 7 held by the tape holding portion 26 in the first transport path 20c to the second transport path 20d.
  • the tape holding release mechanism 34 operates by utilizing the power of the second motor 23a of the second tape transporting unit 23.
  • the tape holding release mechanism 34 includes a ratchet mechanism 35 that is rotated by the driving force of the second motor 23a, and a lever 36 that swings by the ratchet mechanism 35.
  • the ratchet mechanism 35 is composed of a ratchet gear 35a and a ratchet claw 35b.
  • the ratchet gear 35a is rotatably attached to the third gear 23d coaxially with the third gear 23d. Therefore, the ratchet gear 35a rotates together with the third gear.
  • the lever 36 is, for example, L-shaped, has a ratchet claw 35b formed at one end thereof, and is connected to the downstream end portion of the movable member 33 of the tape holding portion 26 at the other end.
  • a rotary shaft 36a is provided at the center of the lever 36, and the lever 36 is attached to the tape feeder 6 via a second motor 23a so as to be swingable around the rotary shaft 36a.
  • the ratchet gear 35a continues to act so as to push down the ratchet claw 35b of the lever 36, so that the ratchet claw 35b of the lever 36 continues to act to push down the ratchet claw 35a. Does not engage with. Therefore, the state in which the lever 36 pushes down the downstream end portion of the movable member 33 of the tape holding portion 26 is maintained, and the state in which the second support portion 31 of the tape holding portion 26 is located at the upper release position P3 continues. ..
  • the ratchet gear 35a acts to lift the ratchet claw 35b of the lever 36, so that the ratchet gear 35a engages with the ratchet claw 35b of the lever 36 and the lever rotates clockwise. Rotate to. As a result, the lever 36 lifts the downstream end of the movable member 33 of the tape holding portion 26 upward, and the second support portion 31 is in the original position and moves to the tape holding position.
  • the carrier tape 7 is attached to the tape holding portion 26 in a state where the movable member 33 is located at the initial position and the second supporting portion 31 is located at the same height as the first supporting portion 30. It is being held.
  • the feeder control section 28 reversely rotates the second motor 23a of the second tape transport section 23.
  • the movable member 33 rises integrally with the second support portion 31 and the second sprocket 23 g. Even if the operator manually holds the handle 38 and lifts it upward, the movable member 33 rises.
  • the carrier tape 7 moves upward while being supported by the second support portion 31 on the lower surface of the right side portion, and the upper surface of the left side portion of the carrier tape 7 moves upward. It abuts on the protrusion 42.
  • the pin 41a of the second sprocket 23g is disengaged from the feed hole 7h of the carrier tape 7.
  • FIG. 11C when the carrier tape 7 is further raised together with the movable member 33, the carrier tape 7 is pushed by the taper 42a of the protrusion 42 and displaced to a position (right side) that does not overlap with the first support portion 30. While twisting counterclockwise.
  • the carrier tape 7 released from the tape holding portion 26 moves as the first tape 7p to the second transport path 20d formed below the first transport path 20c (see FIG. 3).
  • the release of the carrier tape 7 from the tape holding portion 26 is executed, for example, before the carrier tape 7 is inserted into the tape feeder 6 and the component is taken out from the component take-out position P1.
  • the carrier tape 7 first tape 7p
  • the next carrier tape 7 second tape 7s
  • FIG. 14 is a partially enlarged view of the periphery of the shutter unit.
  • FIG. 15 is a side view showing the configuration of the shutter unit 27 and the lock portion 45.
  • the shutter unit 27 prevents the carrier tape 7 from advancing until the collation of the parts of the carrier tape 7 inserted in the first transport path 20c is completed.
  • the shutter unit 27 includes a shutter 27a, a pin 27b, a coil spring 27c, and a fourth sensor Sa4.
  • the shutter 27a abuts on the carrier tape 7 and stops the progress of the carrier tape 7.
  • the shutter 27a includes a shutter main body 27e and a plate-shaped member 27f.
  • the shutter main body 27e includes an inclined portion 27ea with which the carrier tape 7 abuts, an elongated hole 27eb extending in the vertical direction, and a stepped portion 27ec that fits with the lock portion 45.
  • a pin 27b is inserted into the elongated hole 27eb, and the shutter 27a can be displaced in the vertical direction along the elongated hole 27eb.
  • the plate-shaped member 27f extends upward from the shutter main body 27e.
  • the fourth sensor Sa4 detects whether the shutter 27a is located at the tape stop position P4 at which the carrier tape 7 is stopped, or at the relief position P5 above the tape stop position P4.
  • the fourth sensor Sa4 is, for example, an optical sensor. In the state where the shutter 27a is in the tape stop position P4, since the shutter 27a is lowered to the first transport path 20c, the fourth sensor Sa4 cannot detect the plate-shaped member 27f. Further, in the state where the shutter 27a is in the retreat position P5, since the shutter 27a is raised upward from the first transport path 20c, the fourth sensor Sa4 detects the plate-shaped member 27f.
  • the coil spring 27c urges the shutter body 27e so as to push down the shutter 27a downward, that is, so that the lower end of the shutter body 27e comes into contact with the first transport path 20c.
  • the carrier tape 7 advances by lifting the shutter 27a against the spring force of the coil spring 27c.
  • the lock unit 45 locks the displacement of the shutter 27a according to the control of the feeder control unit 28.
  • the lock portion 45 includes a solenoid 46, a lever 47, and a coil spring 48.
  • the solenoid 46 sucks the lever 47 that prevents the shutter 27a from being displaced downstream so that the shutter 27a can be displaced from the relief position P5 to the tape stop position P4.
  • the solenoid 46 includes a plunger 46a and a disk-shaped plate member 46b fixed to the tip of the plunger 46a.
  • the plate member 46b of the solenoid 46 is engaged with the downstream end portion 47b of the lever 47.
  • the lever 47 is urged to the upstream side, that is, to the shutter 27a side by the coil spring 48.
  • the end portion 47a on the upstream side of the lever 47 is fitted with the stepped portion 27ec of the shutter main body 27e when the plunger 46a of the solenoid 46 is released. This prevents the shutter 27a from rising to the retreat position P5 and locks the movement of the shutter 27a.
  • the feeder control unit 28 sends a suction instruction to the solenoid 46 when the parts match the parts to be supplied as a result of collation of the parts by the mounting control unit 10.
  • the solenoid 46 sucks the plunger 46a and displaces the lever 47 to the downstream side.
  • the upstream end portion 47a of the lever 47 is disengaged from the stepped portion 27ec of the shutter main body 27e, and the shutter 27a is unlocked.
  • the plate-shaped member 27f of the shutter 27a is also displaced upward, and the fourth sensor Sa4g detects the plate-shaped member 27f. Thereby, it is possible to detect that the carrier tape 7 passes below the shutter 27a, that is, the carrier tape 7 is transported from the first transport path 20c toward the third transport path 20e.
  • the feeder control unit 28 does not match the parts to be supplied as a result of collation of the parts by the mounting control unit 10, the set reel 8 is mistaken, for example, from the operation display panel 29. Notify the worker.
  • the operator lifts the handle 38 of the tape holding portion 26 and removes the carrier tape 7 inserted by mistake from the first transport path 20c.
  • the tape stopper portion 24 includes a stopper 24a, a lever 24b, and a fifth sensor Sa5.
  • the stopper 24a is, for example, a plate-shaped member, and has a stop position P6 (see FIG. 17) for stopping the progress of the second tape 7s and a stopper release position P7 (see FIG. 18) for canceling the stop of the progress of the second tape 7s. It can be displaced to and.
  • the stopper 24a includes a contact portion 24aa, a tip portion 24ab, and a fulcrum 24ac. In the contact portion 24aa, the stopper 24a abuts on the tip of the second tape 7s at the stop position P6 which is a predetermined position of the first transport path 20c, and the second tape 7s is on the downstream side along the first transport path 20c. Prevent moving to.
  • the tip portion 24ab is a downstream portion of the stopper 24a, and is a transmitted portion that receives power for displacing the lever 24b from the stop position P6 to the stopper release position P7.
  • the fulcrum 24ac is a fulcrum that serves as a rotation center for the stopper 24a to be displaced by rotation to the stop position P6 and the stopper release position P7.
  • the fulcrum 24ac is located above the first transport path 20c and upstream of the contact portion 24aa.
  • the lever 24b functions as a drive unit for moving the stopper 24a to the stop position P6 and the stopper release position P7.
  • the lever 24b is itself a link and includes a tape holding portion 24ba, a tip portion 24bb, a claw portion 24bc, and a fulcrum 24bd.
  • the tape pressing portion 24ba presses the first tape 7p conveyed through the third conveying path 20e from above.
  • the coil spring 24c is urged so that the tape holding portion 24ba is pushed downward.
  • the first tape 7p lifts the tape holding portion 24ba against the spring force of the coil spring 24c.
  • the claw portion 24bc extending upward from the upper part of the lever 24b is detected by the fifth sensor Sa5. Further, in this state, the tip portion 24bb on the upstream side of the lever 24b is in a state of being lowered, and the tip portion 24bb supports the own weight of the tip portion 24ab of the stopper 24a.
  • the tape holding portion 24ba rotates clockwise due to the spring force of the coil spring 24c and comes into contact with the third transport path 20e.
  • the lever 24b rotates clockwise around the fulcrum 24bd
  • the tip portion 24bb of the lever 24b rotates the tip portion 24ab of the stopper 24a counterclockwise.
  • the tip portion 24bb functions as a power transmission unit that transmits rotational power to the tip portion 24ab of the stopper 24a.
  • the stopper 24a is rotationally displaced from the stop position P6 to the stopper release position P7, and the contact portion 24aa is released from being in contact with the second tape 7s.
  • the opening direction of the contact portion 24aa from the stop position P6 to the stopper release position P7 is the traveling direction of the second tape 7s.
  • the contact portion 24aa rotates in the direction away from the tip of the second tape 7s from the stop position P6 to the stopper release position P7, it is possible to prevent the contact portion 24aa from biting into the tip of the second tape 7s. It is possible to prevent the second tape 7s from being clogged when the stopper 24a is released.
  • the rotation of the lever 24b prevents the detection signal from the fifth sensor Sa5 from being transmitted to the feeder control unit 28.
  • the feeder control unit 28 stops receiving the detection signal from the fifth sensor Sa5 all the first tapes 7p are conveyed to the downstream side, and the feeder control unit 28 recognizes that the stopper 24a is located at the stopper release position P7.
  • the feeder control unit 28 drives the second tape transport unit 23 to transport the second tape 7s to the downstream side in order to transport the second tape 7s to the third transport path 20e. In this way, the second tape 7s can be continuously conveyed following the first tape 7p.
  • the feeder control unit 28 included in the tape feeder 6 includes, for example, an arithmetic unit composed of a semiconductor element such as a processor or FPGA, a storage device composed of, for example, a hard disk (HDD), a memory, an SSD, or the like, and a communication unit. 28a is provided.
  • the function of the feeder control unit 28 may be configured only by hardware, or may be realized by combining hardware and software.
  • the feeder control unit 28 may realize a predetermined function by reading data or a program stored in the storage device and performing various arithmetic processes.
  • the communication unit 28a is a communication interface, and transmits / receives signals and data to / from the mounting control unit 10 included in the component mounting device 1.
  • the feeder control unit 28 controls the first motor 21b and the second motor 23a based on the detection results of the first sensor Sa1, the second sensor Sa2, and the third sensor Sa3, and controls the tape transfer operation of the carrier tape 7 and the tape.
  • the tape ejection operation of the holding release mechanism 34 is executed according to a predetermined control pattern.
  • the feeder control unit 28 drives and controls the solenoid 46 from the mounting control unit 10 based on the collation result of the identifier 8a of the reel 8. Further, when the feeder control unit 28 receives the detection signal from the fourth sensor Sa4, the shutter 27a is opened, and the second tape 7s is conveyed below the shutter 27a along the first transfer path 20c. recognize.
  • the feeder control unit 28 recognizes that when the detection signal from the fifth sensor Sa5 cannot be received, the first tape 7p is completely transported from the second transport path 20d to the downstream side.
  • FIG. 20 is a flowchart showing the flow of tape supply of the tape feeder 6.
  • step S1 the operator inserts the carrier tape 7 from the insertion port 20a into the first transport path 20c in a state where the carrier tape 7 is not supplied to the tape feeder 6.
  • the collating unit 10a of the mounting control unit 10 collates the identifier 8a of the reel 8 read from the reader device 15 with the component information stored in the storage unit 10b, and collates the first transport path 20c. It is determined whether or not the component of the carrier tape 7 inserted into is a correct component.
  • the mounting control unit 10 transmits the collation result by the collation unit 10a to the feeder control unit 28.
  • step S2 when the feeder control unit 28 receives from the mounting control unit 10 a collation result (a signal indicating a match) that the component of the carrier tape 7 is a correct component, the feeder control unit 28 drives the solenoid 46 to unlock the lock unit 45. do.
  • the operator When the lock is released, the operator further inserts the carrier tape 7 into the tape transport path 20 through the first transport path 20c, and when the first sensor Sa1 detects the tip of the carrier tape 7, it detects it. The signal is transmitted to the feeder control unit 28.
  • the feeder control unit 28 when the feeder control unit 28 receives a collation result (a signal indicating a mismatch) that the component of the carrier tape 7 is not a correct component from the mounting control unit 10, the feeder control unit 28 displays on the operation display panel 29 that the component is not a correct component. , Notify the worker.
  • step S3 when the feeder control unit 28 receives the detection signal from the first sensor Sa1, the second motor 23a is rotated in the forward direction. As a result, the second sprocket 23 g rotates, and the carrier tape 7 is conveyed in the downstream direction.
  • the feeder control unit 28 may perform step S3 at the timing when the lock unit 45 is unlocked to rotate the second motor 23a in the forward direction to convey the carrier tape 7 in the downstream direction.
  • step S4 when the feeder control unit 28 receives the detection signal from the second sensor Sa2, the rotation speed of the second motor 23a is lowered, and the second motor 23a is stopped after a predetermined time has elapsed. As a result, the carrier tape 7 has reached the first sprocket 21a.
  • the feeder control unit 28 rotates the first motor 21b in the forward direction to rotate the first sprocket 21a, the first sprocket 21a engages with the carrier tape 7. Therefore, the carrier tape 7 is delivered to the first sprocket 21a.
  • the feeder control unit 28 rotationally drives the first motor 21b to feed the carrier tape 7 at a predetermined pitch by the first sprocket 21a. In this way, the feeder control unit 28 switches the sprocket that conveys the carrier tape 7.
  • the detection signal is transmitted to the feeder control unit 28.
  • the feeder control unit 28 receives the detection signal from the third sensor Sa3, the feeder control unit 28 stops the first motor 21b.
  • step S5 the feeder control unit 28 reversely rotates the second motor 23a and rotates the ratchet gear 35a clockwise.
  • the lever 36 of the tape holding release mechanism 34 swings, the second support portion 31 of the tape holding portion 26 moves upward, and the carrier tape 7 falls into the second transport path 20d.
  • step S6 the feeder control unit 28 stops the second motor 23a after rotating the second motor 23a in the reverse direction for a predetermined time. At this timing, the feeder control unit 28 performs a peeling operation of the carrier tape 7.
  • step S7 the feeder control unit 28 rotates the second motor 23a in the forward direction and rotates the ratchet gear 35a in the clockwise direction.
  • the lever 36 of the tape holding release mechanism 34 swings and returns to the original position, and the second support portion 31 of the tape holding portion 26 moves downward and returns to the original position of the tape holding position.
  • the first tape 7p previously inserted into the tape feeder 6 is engaged with the first sprocket 21a from the second transport path 20d through the tape transport path 20, so that the parts of the first tape 7p are parts.
  • the second tape 7s, which supplies the next component, can be inserted into the tape holding portion 26 at any time while being taken out by the mounting head 4 of the mounting device 1.
  • the first transport path 20c into which the carrier tape 7 is inserted and the second transport path 20d located below the first transport path 20c are provided on the upstream side, respectively.
  • a tape transport path 20 is provided which guides the carrier tape 7 to travel in the downstream direction by merging the transport path 20d and the first transport path 20c.
  • the tape feeder 6 sequentially conveys the carrier tape 7 of the tape transport path 20 on the downstream side of the position P2 where the first transport path 20c and the second transport path 20d meet to the component take-out position P1 of the tape transport path 20. It is provided with a first tape transporting section 21 and a tape holding section 26 for holding the carrier tape 7 in at least a part of the first transport path 20c.
  • the tape feeder 6 further includes a second tape transport section 23 that transports the carrier tape 7 held by the tape holding section 26 in the downstream direction of the tape transport path 20, and a carrier tape 7 held by the tape holding section 26. It is provided with a tape holding release mechanism 34 for dropping from one transport path 20c to a second transport path 20d.
  • the tape holding release mechanism 34 operates by utilizing the power of the drive source of the second tape transporting unit 23.
  • the tape holding release mechanism 34 automatically drops the carrier tape 7 inserted in the first transport path 20c into the second transport path 20d, so that the operator can tape the tape. It is possible to prevent the supply of parts from being stopped due to forgetting to release the parts. As a result, the productivity of the mounting board can be improved, and the supply of parts to the parts mounting device can be automated or labor-saving.
  • the second tape transport unit 23 of the present embodiment includes a second motor 23a capable of forward rotation and reverse rotation as a drive source, and when the second motor 23a rotates forward, the second tape transport unit 23 becomes a carrier tape. 7 is transported in the downstream direction of the tape transport path 20, and when the second motor 23a rotates in the reverse direction, the tape holding release mechanism 34 is driven.
  • the tape holding portion 26 of the present embodiment can be displaced from the holding position for holding the carrier tape 7 to the release position P3 where the holding of the carrier tape 7 is released, and the tape holding release mechanism 34 holds the tape holding portion 26. Displace to the release position P3.
  • the tape holding / releasing mechanism 34 of the present embodiment includes a ratchet mechanism 35 that is rotated by the driving force of the second motor 23a and a lever 36 that swings by the ratchet mechanism 35, and the tape holding portion 26 is a lever. It is displaced to the holding position or the releasing position P3 by the swing of 36.
  • the lever 36 is swung by the ratchet mechanism 35, so that the tape holding portion 26 can be maintained at the holding position or the releasing position P3 as long as the rotation direction of the second motor 23a does not change.
  • the tape holding release mechanism 34 is driven at the timing after the carrier tape 7 conveyed by the second tape conveying unit 23 is delivered to the first tape conveying unit 21.
  • a feeder control unit 28 is provided.
  • the carrier tape 7 As a result, even if the carrier tape 7 is discharged from the first transport path 20c to the second transport path 20d, the carrier tape 7 has been delivered to the first tape transport section 21, so that the carrier tape in the second transport path is used. Can be pitch-fed by the first tape transport unit 21 as a leading tape. Further, since the carrier tape 7 as a succeeding tape can be inserted into the tape holding portion 26 which is a part of the first transport path 20c, the productivity of the mounting board can be improved and the component mounting device can be used. It is possible to automate or save labor in the supply of parts.
  • the delivery of the carrier tape 7 from the second tape transport section 23 to the first tape transport section 21 means that both the first sprocket 21a and the second sprocket 23 g of the first tape transport section 21 are on the downstream side of the carrier tape 7. It may be in a state where it is engaged with each other on the upstream side, or it may be in a state where only the first sprocket 21a of the first tape conveying portion 21 is engaged with the carrier tape 7.
  • the first sensor Sa1 for detecting that the carrier tape 7 has been inserted into the tape transport path 20 and the downstream side of the tape transport path 20 from the first sensor Sa1.
  • the tape feeder 6 is further arranged on the downstream side of the tape transport path 20 with respect to the second sensor Sa2, and includes a third sensor Sa3 for detecting that the carrier tape 7 has reached the component take-out position P1.
  • the feeder control unit 28 activates the second tape transport unit 23 based on the detection result that the first sensor Sa1 detects the carrier tape 7, and the predetermined timing after the second sensor Sa2 detects the carrier tape 7.
  • the second tape transport unit 23 is stopped, and the first tape transport unit 21 is further started.
  • the position of the carrier tape 7 transported along the transport path 20 can be detected, and the carrier tape 7 can be delivered from the second tape transport unit 23 to the first tape transport unit 21 with high accuracy.
  • the feeder control unit 28 of the present embodiment stops the first tape transport unit 21 based on the detection result that the third sensor Sa3 detects the carrier tape 7, and drives the tape holding release mechanism 34. As a result, after the downstream side of the carrier tape 7 is delivered to the first tape transport section 21, the first tape transport section 21 is stopped and the tape holding release mechanism 34 is driven, so that the carrier tape 7 is released during transport. It is possible to prevent the carrier tape 7 from being changed, and it is possible to change the route of the carrier tape 7 with high accuracy.
  • the carrier tape 7 in which the parts are stored is conveyed and the parts are supplied to the parts mounting device 1.
  • the tape feeder 6 is provided on the downstream side of the second sprocket 23g in the first transport path 20c, and is housed in a shutter 27a for preventing the carrier tape 7 from being transported downstream from a predetermined position and a carrier tape 7.
  • a feeder control unit 28 that drives and controls the second tape transport unit 23 is provided based on the result of collation between the information on the parts to be supplied and the information on the parts to be supplied, which is predetermined.
  • the shutter 27a is moved by the carrier tape 7 conveyed by the second tape transfer unit 23 from the tape stop position P4 at which the carrier tape 7 is stopped to the relief position P5 away from the tape stop position P4.
  • the feeder control unit 28 can control the transport of the carrier tape 7 based on the result of collation between the information of the parts stored in the carrier tape 7 and the information of the parts to be supplied. It is not necessary for the operator to further insert the carrier tape 7 after collation, the waiting time of the operator can be reduced, and the work efficiency can be improved.
  • the tape feeder 6 of the present embodiment includes a lock unit 45 for locking the shutter 27a, and the feeder control unit 28 unlocks the shutter 27a by the lock unit 45 based on the collation result, and the second 2
  • the carrier tape 7 is conveyed to the tape transfer unit 23.
  • the feeder control unit 28 unlocks the shutter 27a by the lock unit 45 based on the collation result, so that only the carrier tape 7 that stores the correct parts can be conveyed.
  • the fourth sensor Sa4 for detecting the displacement of the shutter 27a is provided.
  • the unlocked shutter 27a is displaced by the carrier tape 7 transported along the first transport path 20c, and the feeder control unit 28 detects the displacement of the shutter 27a by the fourth sensor Sa4, and the carrier tape Recognizes that 7 has been replenished to the tape feeder 6.
  • the feeder control unit 28 recognizes that the second tape 7s has already been set even after all the parts of the first tape 7p have been supplied, so that the parts are continuously transferred to the component mounting device 1. Can be supplied.
  • the tape feeder 6 has a contact portion 24aa that abuts on the tip of the second tape 7s at a predetermined position of the first transport path 20c, and stops the second tape 7s at a predetermined position. It includes a stop position P6, a stopper 24a that can move the second tape 7s downstream from the stop position P6 to a stopper release position P7, and a lever 24b that moves the stopper 24a to the stop position P6 and the stopper release position P7. ..
  • the contact portion 24aa moves from the stop position P6 to the stopper release position P7, the contact portion 24aa separates from the tip of the second tape 7s along the transport direction of the second tape 7s.
  • the tape feeder 6 has a fulcrum 24ac that rotatably supports the stopper 24a, and the contact portion 24aa is arranged on the downstream side of the fulcrum 24ac in the transport direction of the second tape 7s. Then, the lever 24b rotates the stopper 24a upward.
  • the lever 24b has a tip portion 24bb including a link
  • the stopper 24a has a tip portion 24ab that receives power from the tip portion 24bb.
  • the tape holding / releasing mechanism 34 pushes down the movable member 33 by the lever 36, but the present invention is not limited to this.
  • the movable member 33 may be lifted by the lever 36 using a link mechanism.
  • the movable member 33 is a position where the carrier tape 7 is held by the second support portion 31.
  • the movable member is lifted by the lever 36 and is in a position where it falls from the second support portion 31.
  • the carrier tape 7 held by the tape holding portion 26 is detached by moving the movable member upward, but the present invention is not limited to this.
  • the vertical movement by the lever 36 may be converted into a lateral movement by using, for example, a cam mechanism.
  • the tape holding portion 26A includes a left side wall 32a to which the first support portion 30 is fixed and a right side wall 32b to which the second support portion 31 is fixed.
  • FIG. 23 is an explanatory diagram illustrating the release of the carrier tape 7 in the modified example, (a) shows a state in which the carrier tape 7 is held, and (b) is due to the displacement of the left side wall 32a and the right side wall 32b.
  • the state in which the carrier tape 7 is dropped is shown, and (c) shows the state in which the left side wall 32a and the right side wall 32b have returned to the tape holding position which is the original position.
  • the tape holding release mechanism 34 displaces the left side wall 32a and the right side wall 32b to displace the first support portion 30 and the second support portion 31 to the release position P3 laterally separated from the first transport path 20c.
  • the lengths of the first support portion 30 and the second support portion 31 can be increased, so that the length is wide. It is suitable for transporting a carrier tape 7.
  • the parts supply device according to the present disclosure can be applied to a parts supply device that supplies parts to a parts mounting device that mounts the parts on a substrate.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Supply And Installment Of Electrical Components (AREA)

Abstract

L'invention concerne un dispositif d'alimentation en composants comprenant : un trajet de transfert de bande comprenant un premier trajet de transfert et un second trajet de transfert sous le premier trajet de transfert, chacun sur un côté amont, le premier trajet de transfert et le second trajet de transfert convergeant pour guider le déplacement d'une bande de support dans une direction aval ; une première unité de transfert de bande pour transférer successivement la bande de support à une position de capture de composant ; une unité de maintien de bande pour maintenir la bande de support dans au moins une partie du second trajet de transfert ; une seconde unité de transfert de bande pour transférer la bande de support qui est maintenue par l'unité de maintien de bande dans la direction aval du trajet de transfert de bande ; un mécanisme de libération de maintien de bande pour permettre à la bande de support qui est maintenue par l'unité de maintien de bande de tomber sur le premier trajet de transfert ; et une unité de commande pour entraîner le mécanisme de libération de maintien de bande à un moment après que la bande de support transférée par la seconde unité de transfert de bande est transférée à la première unité de transfert de bande.
PCT/JP2021/039005 2020-10-22 2021-10-21 Dispositif d'alimentation en composants WO2022085769A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100180435A1 (en) * 2009-01-19 2010-07-22 Samsung Techwin Co., Ltd. Electronic component feeder and chip mounter having the same
JP2015122474A (ja) * 2013-11-25 2015-07-02 三星テクウィン株式会社Ｓａｍｓｕｎｇ Ｔｅｃｈｗｉｎ Ｃｏ．， Ｌｔｄ テープフィーダ
WO2018087857A1 (fr) * 2016-11-10 2018-05-17 ヤマハ発動機株式会社 Dispositif d'alimentation en composants, machine de montage en surface et procédé d'alimentation en composants
JP2018174169A (ja) * 2017-03-31 2018-11-08 パナソニックＩｐマネジメント株式会社 テープフィーダ及び実装基板の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100180435A1 (en) * 2009-01-19 2010-07-22 Samsung Techwin Co., Ltd. Electronic component feeder and chip mounter having the same
JP2015122474A (ja) * 2013-11-25 2015-07-02 三星テクウィン株式会社Ｓａｍｓｕｎｇ Ｔｅｃｈｗｉｎ Ｃｏ．， Ｌｔｄ テープフィーダ
WO2018087857A1 (fr) * 2016-11-10 2018-05-17 ヤマハ発動機株式会社 Dispositif d'alimentation en composants, machine de montage en surface et procédé d'alimentation en composants
JP2018174169A (ja) * 2017-03-31 2018-11-08 パナソニックＩｐマネジメント株式会社 テープフィーダ及び実装基板の製造方法

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